Numerical Simulation Study of Pore-Throat Evolution of Upper Paleozoic in Ordos Basin, China

Table 3

Different pore types in quartz sandstone and lithic quartz sandstone.

Area/formation	Sample number	Lithology	Surface porosity	Residual intergranular	Dissolution intergranular	Lithic dissolution	Intercrystalline
He 8 Member in Sulige area	450	Quartzose sandstone	3.85	1.53	0.67	1.07	0.58
	710	Lithic quartzose sandstone	3.99	1.12	0.99	1.33	0.55
Shan 2 Member in Yulin area	376	Quartzose sandstone	3.65	2.02	0.66	0.25	0.72
	212	Lithic quartzose sandstone	2.68	1.11	0.56	0.48	0.53